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Jan561 · 2019-12-21

Hi,As circular transfers are not allowed for memory-to-memory transfers, the following could happen:The MCU panics (i.e. hard fault)The CIRC and DBM-bit get forced lowThe CIRC and DBM-bit are being ignoredThe reference manual only says that this is f...

Jan561 · 2019-12-19

Hi,This is what I found in the reference manual:Once the transfer is completed, this [NDT] register can either stay at zero (when the stream is in normal mode) or be reloaded automatically with the previously programmed value in the following cases:...

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[DMA] What happens if the stream is configured in circular (or double buffer mode) but the transfer direction is M2M?

[DMA] Under which conditions will the NDTR register be reloaded when enabling the stream?